south carolina senator jim demint the junior senator jim demint, lindsey graham was the oaths one, he was reelected for a second term in 2010. he has four more years left on it. now he says surprisingly he's going to leave in january. he has clearly been one of the leaders of the tea party movement and someone who has been so strongly aligned with the effort to reign in spending and do everything possible to prevent the raising of taxes. you wonder what it is that entered into this picture and encouraged him to leave at this time. he's going to take a position at the heritage foundation. he says he has not given up the fight that he really did not want to be a career senator, and that's what he's doing. so more to come on that. we're going to let you know. bill: nbc sports caster bob costas with an explanation after his on air controversial remarks about gun control after a nfl player shot his girlfriend and shot himself in front of hits head coach. it came at halftime after football night in america, that was sunday night. last night he stepped into the ring with bill o'reilly. watch